refactor: rename polkadotIcon to pezkuwiIcon and update identicon themes

- Rename polkadot.ts to pezkuwi.ts in ui-shared
- Rename polkadotIcon function to pezkuwiIcon
- Rename Polkadot.tsx to Pezkuwi.tsx in all identicon packages
- Update Components mapping to use pezkuwi theme
- Add bizinikiwi theme as substrate replacement
- Update IconTheme type definitions
- Update Ledger app text to Pezkuwi

packages/ui-settings/src/defaults/ledger.ts

@@ -34,7 +34,7 @@ export const LEDGER_APP_DEFAULT = 'generic';
 export const LEDGER_APP: Option[] = [
   {
     info: 'generic',
-    text: 'Use the Ledger Polkadot Generic App',
+    text: 'Use the Ledger Pezkuwi Generic App',
     value: 'generic'
   },
   {

packages/ui-settings/src/defaults/type.ts

@@ -4,5 +4,5 @@
 // matches https://pezkuwichain.io & https://*.pezkuwichain.io
 export const isPezkuwi = typeof window !== 'undefined' && window.location.host.includes('pezkuwi');
 
-// Backward compatibility alias
+// Alias for compatibility with code using old variable name
 export const isPolkadot = isPezkuwi;